With their complex social structure, our great ape cousins are captivating animals. But, there is much we don’t understand, ...

Scientists conducted largest ever genetic analysis of geologically and ecologically diverse group of chimpanzees.

How do you cope when you suddenly become surrogate parents to 21 orphaned chimps? Jim and Jenny Desmond have chimps overrunning their home and even their bed.

Cracking nuts by chimps, the researchers note, is an example of tool use by chimps. An adult female chimpanzee, Fanle, cracks an oil palm nut with a stone hammer and anvil while her infant son ...